strcopy, C (gcc) - rextester

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#include  <stdio.h>

#define SIZE 30

//Write a function that copies one string to another and returns the number of
//characters copied.
int strcopy(const char* source, char* dest)
{
    int i = 0;
    int stringLength = 0;
    
    while (source[i] != 0)
    {
        dest[i] = source[i];
        i++;
        stringLength++;
    }
    
    return stringLength;
}

int main(void)
{
    // my array for the string
    char sourceString[SIZE];
    char destString[SIZE];
    
    int length;
    
    printf("Example program for some string manipulations.\n");
    
    // First read in an input string
    if (fgets(sourceString, SIZE, stdin)) {        //give it an array of characters, maximum size it can accept, where you want to get it from
       
        length = strcopy(sourceString, destString);
        
        printf("Length of %s is %d \n", sourceString, length);  
        printf("Length of %s is %d ", destString, length);  
        
    } else {
        printf("Error reading in the string!\n");
    }
    
    return 0;
}

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Compilation time: 0.12 sec, absolute running time: 0.14 sec, cpu time: 0 sec, memory peak: 3 Mb, absolute service time: 0,26 sec